As we take the slope of lines A & B etc., they will have slopes that tend towards the slope of the line C, the tangent at time T. The slope of the tangent at time T measures the steepness of the curve at time T (The instantaneous velocity). The area under the line in a velocity-time graph represents the distance travelled. How to get average velocity from velocity vs. time graph(acceleration not constant) If time is the x-axis, and velocity is the y-axis, then find the specific time you want to know, then determine on the graph the velocity for that specific point in time, and that is the instantaneous velocity. Average velocity and instantaneous velocity from the right Average velocity on the interval Geometrically, this number represents the slope of the line segment in the graph passing through the points (2,400) and (4,1600). Find out how to use distance time graphs and velocity time graphs with BBC Bitesize GCSE Physics. See also Pg. 2. When an object is moving with a steadily increasing velocity, or a steadily decreasing velocity, the line on the graph is straight, but sloped. Given below are three orientations of velocity-time graphs for one-dimensional uniform velocity. ... Average Velocity on Position vs. Time Graph Lesson - Duration: 5:40. How do you find the average speed and average velocity on a position vs time graph? 1. See what we can learn from graphs that relate velocity and time. You can get the change in velocity from the graph if you also know the mass of the object in question. and how do i do it on a displacement/time graph? The area. Finding Average Velocity Time (t) 0 +- ... Find the slope here. The diagram shows some typical lines on a velocity-time graph. Time (t) 0 +-Finding Acceleration Time (t) 0 +- How do I find the average speed of a specific point from a v-t graph. The average velocity of an object does not tell us anything about what happens to it between the starting point and ending point. how to find displacment and average velocity from a velocity graph Rod. When an object is moving with a constant velocity, the line on the graph is horizontal. During a given time interval, the velocity of an object may, or may not, change. Finding Average Velocity Time (t) 0 +- ... Velocity time and the slope of this graph equals the velocity, acceleration is the where the slope changes. Learn how to calculate speed, velocity and acceleration. All you need to calculate average velocity is the total displacement, ... Find the total amount of time spent. To find the instantaneous velocity, we need to find the slope of the postition time graph at an instant in time. How do I calculate average velocity on a velocity/time graph? Tutorial. For each of these regions find two things a) the time spent in the region and b) the average velocity (= (V2 + V1)/2 ) Multiply the time by the average velocity for each section. From the graph, this slope is approximately Use the same reasoning to find the average velocity on each of the intervals below. The area under the line in a velocity-time graph represents the distance travelled. On each graph, the height of the graph represents the object's velocity and the area bounded by the graph and the x- or time axis represents the object's displacement, or change in position.